Petersburg/Grant Cnty
Weather station · 39.0°N 79.1°W · 288 m above sea level
ICAO KW99Station data since 1994
Record high
34.4°C
in 2010
Record low
1.1°C
in 2020
Average high
25.5°C
all years on record
20.3°C short of the record for 23 September
Today’s high 14.1°C against 34.4°C in 2010. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
40.0°C
- Date
- Saturday, 23 July 2011
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Petersburg/Grant Cnty, United States
- Position
- 38.99°N 79.14°W · 288 m
Highest highest in available records since 1994. Source: NOAA GHCN-Daily.
All-time record low
−23.9°C
- Date
- Monday, 5 February 1996
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Petersburg/Grant Cnty, United States
- Position
- 38.99°N 79.14°W · 288 m
Highest and lowest lowest in available records since 1994. Source: NOAA GHCN-Daily.
Where Petersburg/Grant Cnty is
38.99°N 79.14°W
Petersburg/Grant Cnty
Ground · satellite
Land surface temperature for 2026-09-22, from NASA GIBS. This is the temperature of the ground seen from orbit, not the air, and it is never ranked against air readings. Cloud hides the ground, so gaps are unread rather than guessed.
View more on Google Maps- 1
Petersburg/Grant Cnty has dropped below freezing on 2885 nights since 1994. The desert remembers every one of them.
From our dataNights with a minimum below 0°C since 1994. - 2
Today is colder than 66% of all days recorded here since 1994.
From our dataToday's high against every day recorded at this station since 1994. - 3
Right now Davis Lgb 46 Aws is 83.3°C colder than Petersburg/Grant Cnty. Same planet. Same afternoon.
From our dataBoth readings are live and ranked on this site now. - 4
The coldest night Petersburg/Grant Cnty has ever recorded, −23.9°C, would pass for a warm spell at Davis Lgb 46 Aws, which is −69.2°C right now.
From our dataThis station's record low against the current live reading at Davis Lgb 46 Aws.
New facts every day. Report an error.
Every year on record
1994 to 2026
Annual average · °C
Trend over 20 years with data: +0.86 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
23.9°
−23.3°
Feb
25.6°
−23.9°
Mar
32.2°
−20.6°
Apr
39.4°
−7.2°
May
36.7°
−2.2°
Jun
37.8°
3.3°
Jul
40.0°
7.8°
Aug
37.8°
5.6°
Sep
38.3°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 14.1°C | 00:15 UTC | 13.0°C | 06:55 UTC |
| 2026-09-22 | 16.0°C | 16:35 UTC | 14.2°C | 23:55 UTC |
Nearby stations
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1994 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |